All Fitments

SUBARU

Year

Model

SubModel

Cylinders

Liter

Aspiration

Eng Desg.

Fuel

Notes

2004 - 2007

IMPREZA

WRX STIWRX STI LIMITED

ALL

ALL

ALL

ALL

ALL

2006 - 2007

IMPREZA

WRXWRX LIMITEDWRX TR

ALL

ALL

ALL

ALL

ALL

Product Description

The Injen SP Series Intake Systems Feature the Patent Pending MR Technology Process for Optimal Gains and a Safe A/F Ratio. The Injen SP Series Intake System does not limit itself to just a Cold Air System or Short Ram System. The MR Technology process has its effects on both types. The Injen SP Series Intake is The World’s First Tuned Intake System